Molding-machine.



J. T. STONEY. MOLDING; MACHINE. APPLICATION FILED 11:12.11, 1914.

1,1 1 3,709. Patented Oct. 13, 1914.

2 SHEETS-SHEET l.

075163 666. 21572 1 @W m a rHE NORRIS PETERS C04 FHOTO-LITHQ, WASHINGTON. D. C.

J. T STONEY. MOLDING MACHINE.

APPLICATION FILED FEBJI, 1914.

1,1 1 3,709. Patented Oct. 13, 1914.

2 SHEETS-SHEET 2.

THE NORRIS PETERS 60.. PHGTO-LITHO.. WASHINGTON D. C.

UNITED STATES A ENT OFFICE.

JOHN'T. s'ronnY, or CLEVELAND; onio.

. MOLDING-MACHINE.

Specification ofLettei-s Patent.

Patented Oct. 13, 1914.

Application filed February 11, 1914. Serial No. 818,019.

To all whom, it may concern Be it known that I, JOHN T. Sronnr, a citizen of the United States, residing at Cleveland, in the county of Cuyahoga and State of Ohio, have invented a certain new and useful Improvement in Molding-Mm chines, of which the following is a full, clear, and exact description.

This invention relates to molding machines of the type wherein the molding table is rolled over for the purpose of drawing the pattern from the mold. I

More particularly, the invention relates to mechanism whereby the table is caused to roll over as the table is raised.

Generally speaking, the invention comprises the elements and combinations thereof set forth in the accompanying claims.

Reference should be had to the accompanying drawings forming a part of this specification, in which Figure 1 is a front elevation of a molding machine embodying my invention. Fig. 2 is a side elevation of a portion of the ma- .chine embodying my invention; and Fig. 3 is a detail illustrating different positions of the mechanism for turning over the table.

In large molding machines of the roll over type, that is to say, machines in which the molding table is rolled over with the mold, after the same has been completed for the purpose of drawing the mold fromlthe pattern, it iscustomary to roll over this table by hand, and of course this is not a difiicult operation whenthe machine is small and the weight of the table and mold is not considerable. However, in larger machines it will be appreciated that the mold and the table will weigh a great deal, andsomake the rolling over of the table a very diflicult operation. A p

In this application I have shown a ma.-

chine in which the table will be rolled over by mechanism which operates in connection with the mechanism for raising the molding table, and which will cause the turning over of the molding table simultaneously with the raising thereof. s

In Fig. 1, I have shown a for of molding machine with my roll over mechanism attached thereto, and I wish it understood that the particular construction of the machine which is here shown forms nolimitation upon the application of my invention, as it is applicable to any type of molding machine wherein the molding table is raised and is adapted to be rolled over.

At 1 thereis shown a support or platform, which isprovidedwith wheels 2, there being a plurality of wheels at least one wheel at each corner. These wheels will be mounted in suitable bearings which will needno description.) The wheels are adapted to cooperate with tracks 3, that the supporting platform may be moved along the same.

In machines of this type it is usual to mount the mechanism below the level. of the floor upon which theworkmen stand, and to make the pit in which the machine is located sufliciently deep sothat the molding table is but a short distance above the operatingfioor, as otherwise it'would be necessary to provide aplatform upon which the operators of the machine might stand.

In the particular machine shown in Fig. 1, the pit in which the machine is located is of suflicient length so as to permit a movement of the supporting platform .1 along the tracks with which the wheels engage. Upon'the platform 1 are uprights 4, which are located at opposite sides thereof. These uprights guide and house the vertical operating rods-5. .These rods at their upper ends supportheads 6, in which is carried, as shown in Fig. 2, slidable blocks 7. These blocks normally. rest in contact with the heads 6, so that as the rods 5 are raised the blocks 7 willbe carried upward.

In the blocks 7 there are trunnions 8, which pivotally support the roll over moldingtable 9. This table, as will be seen from Fig. 1, comprises a table portion, which is H provided with arms at the end thereof,

which arms are secured to the trunnions.

The arms also carry extending rods 9, and these rods receive a cross bar 9*, the bar 9 being perforated at its ends to slip over the rods 9*, and the bar is held in any desired trunnions, etc.

flask to hold-the same-uponthe table9 du-ring the rolling over operation.

Each elevating rod 5 is provided witha collar 10, which is adjustable upon the-rod. Each collar is provided with a swiveled rectangular block, such as illustrated eat .11.; The blocks associated with this collar are; adapted to be engaged by recessed portions; 12 in a forked head 13, eachhead beingcar ried by an arm 14 of a lever mechanism{ which .is pivoted upon upright standards :15, shown in Fig. 1. Operation ofthisilever mechanism, which may be;accomplished in any desired manner, will cause the raising and lowering of the operating rods 5.

Upon one of the upright supports 4 there is secured a rack mechanism the same consisting'of two side portions 16, which are secured to each other at various intervals by means of bolts '17, the sides 16 being spaced apart by sleeves 18, which ,encircle thebolts-before referred 'to. These side pieces, 16 aresecured'to the'supports 1, so as to be very rigid therewith,.,and it will be readily seen the racks are immovable with respect to the roll over table 9, its

Adjacent the upper portion of the side member 6 there are aseriesof transverse members 19. These members '19 are mountedbetween the sides 16 at regular intervals, and form rack teeth.

The trunnion 8, which is adjacent to the rack .thus described, is extended sufiiciently to permit the mounting of a pinion 20 upon the same. This pinion is provided with a number of teeth, and the teeth are suitably formed with respect to the members 19 of the rack, such that as the table 9 is raised, and the teeth of the pinion 2O come into contact with the members 19 of the .raclnit will cause aturning of ,the,pinion 20 and a consequent rolling over of the table 9; Suitable stops may ,be provided for holding the table in proper' position when rolled to a position 180 from that shown in Figs. '1 and 2. v I

The mechanism thus described may be duplicated upon the other side .of the machine, if desirable or necessary.

It will be noted that in the construction heretofore explained the block? has ,a sliding mounting the ;head 6, and further it will be noted that the cross members 19 are arranged so that the pinionQO'doesnot immediately engage with the same. a This co st u ti for he r' rres of p itting' h j ng o thei io w u ng em n etw n-the p n n a t a k- T constructlon 1s therefore so designed that with which it is used before the roll over actionbe started, for the purpose of providing clearance that the roll over table and :the :jarring table may not interfere.

1 have shown in Figs. 1 and 2 conventionallyavplatform, which is represented at 21. This platform may be of usual construction and operated to jar and to raise and lower for the purpose of drawing the pattern. No mechanism for operating the table'is shown, as it forms no part of this invention.

By the construction which has heretofore been described, namely, the supporting platform '-1,-being movable with the mechanism carried'thercby, it is possible'to move the roll over table away from the jarring table after the jarring table has received the mold with the pattern drawntherefrom. This feature permits the easy handling of the mold without difliculty, which is not always the .case when the roll over table remains above the jarring table. This feature is explained in a co-pcnding application, andwill notbe further explained in this application.

Having thus described my invention, I claim 1. In a molding machine,the combination with a roll over molding'table, arack member, and a pinion member associated with said roll over table, one of said members being stationary, and'the other adapted to move with the table, whereby ;the table is rolled over as it is raised, and means for raising the said .table.

2. In a molding machine, .the combination with .a roll over table, a fixed rack member, and a pinion member associated with the table, means for raising and lowering the table, whereby the pinion is caused to turn by its engagement with jtlle rack and cause the table to roll over.

7 3. In a molding machine, the combination with a roll over table, trunnions upon which said table is carried, journals for said trunnions, means for raising and lowering the said journals, a rack member mounted stationarilywith respect to the table, a pinion a rack With which the said pinion is adapted In testimony whereof, I hereunto aifix to coiiperate, said rack being stationarily my signature in the presence of two witmounted With respect to the table and its .nesses.

pinion, the teeth upon the rack being so JOHN T. STONEY. 5 arranged that the table is raised a short Witnesses:

distance before the pinion and. teeth upon CAROLINE W LLIAMS,

the rack become cofiperative. BURT P WILLIAMS.

Copies 01' this patent they be ebteined for five cents each, by addressing the Commissioner of Patents,

1 Washington, D. G. 

